12394181548 has 24 divisors (see below), whose sum is σ = 25587989504. Its totient is φ = 5140443600.

The previous prime is 12394181543. The next prime is 12394181561. The reversal of 12394181548 is 84518149321.

It is a junction number, because it is equal to n+sod(n) for n = 12394181498 and 12394181507.

It is not an unprimeable number, because it can be changed into a prime (12394181543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7138638 + ... + 7140373.

Almost surely, 2^12394181548 is an apocalyptic number.

It is an amenable number.

12394181548 is an abundant number, since it is smaller than the sum of its proper divisors (13193807956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12394181548 is a wasteful number, since it uses less digits than its factorization.

12394181548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14279053 (or 14279051 counting only the distinct ones).

The product of its digits is 276480, while the sum is 46.

The spelling of 12394181548 in words is "twelve billion, three hundred ninety-four million, one hundred eighty-one thousand, five hundred forty-eight".